Early versions of the Apple Watch, which go on pre-sale Friday, have shown some "performance problems" related to how Apple and third-party apps function. However, Apple is planning to issue an update that will improve the speed of third-party apps ahead of the launch.

Hall said that the impact here is neutral.

Early Apple Watch Reviews are Mixed

It could be those performance problems or other challenges with the Apple Watch battery life, but some early reviews of the Watch are negative. Some reviews even said that the user interface was "confusing," causing many of the "leading edge tech adopters" to wait until version 2 before buying.